Master Lock 83mm Portable Key Safe Combination Lock Box Weather Resistant 5400DAU

Keep your spare keys secure and easily accessible with the Master Lock 5400DAU Portable Key Safe. Featuring a strong metal body and a vinyl-coated shackle, this key safe is built for both indoor and outdoor use—perfect for real estate agents, Airbnb hosts, tradespeople, and homeowners.

Its large interior holds up to five standard keys, while the resettable 4-digit combination provides personalized, keyless security. The portable “over-the-knob” design allows for quick and tool-free installation on most standard door handles. A weatherproof shutter door protects the dials from dirt and rain, ensuring reliable access all year round.

Key Benefits

• Large Capacity: Securely stores up to 5 standard house keys
• Customizable Security: Set your own 4-digit combination with thousands of possible codes
• Weather Resistant: Shutter door shields dials from dirt, moisture, and grime
• Non-Scratch Design: Vinyl-coated shackle and molded body prevent door or knob damage
• Portable Installation: Hangs over most door knob types without permanent mounting

Specifications

• Model: 5400DAU
• Body Width: 83mm
• External Dimensions (L×W×H): 102mm × 83mm × 44mm
• Internal Dimensions (L×W×H): 25mm × 70mm × 89mm
• Shackle Diameter: 10mm
• Shackle Length: 36mm
• Shackle Width: 48mm
• Capacity: Holds up to 5 keys
• Weight: 0.45kg
• Use: Indoor and outdoor key storage

Ideal For

• Real estate agents and property managers
• Airbnb and short-term rental hosts
• Homeowners needing backup access
• Tradies and contractors needing secure on-site key access
• Elderly care – easy access for caregivers

Why Choose This Key Safe?

The Master Lock 5400DAU offers a secure and weatherproof way to store and share spare keys, without worrying about lost or stolen keys. It’s the trusted, no-fuss solution for safe key access when and where you need it most.